Home / 3,088.26-4,260.69-2,380.32

Finding the Fourth Proportional to 3,088.26, 4,260.69 and 2,380.32

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Solution

The fourth proportional to 3,088.26, 4,260.69 and 2,380.32 is: 3,283.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,088.26 : 4,260.69 = 2,380.32 : x
  2. Step 2: Convert to fraction form
    3,088.26/4,260.69 = 2,380.32/x
  3. Step 3: Cross multiply
    3,088.26x = 4,260.69 × 2,380.32
  4. Step 4: Simplify right side
    3,088.26x = 10,141,805.62
  5. Step 5: Solve for x
    x = 10,141,805.62/3,088.26
  6. Step 6: Final answer
    x = 3,283.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.